/*******************************************************************************
 * Copyright 2005-2010, Andrew McVeigh.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.intrinsarc.deltaengine.base;


public class DELink
{
	private DELinkEnd a;
	private DELinkEnd b;
	
	public DELink(DELinkEnd a, DELinkEnd b)
	{
		this.a = a;
		this.b = b;
	}
	
	@Override
	public boolean equals(Object obj)
	{
		if (!(obj instanceof DELink))
			return false;
		DELink other = (DELink) obj;
		return a.equals(other.a) && b.equals(other.b) || a.equals(other.b) && b.equals(other.a);
	}

	@Override
	public int hashCode()
	{
		return a.hashCode() ^ b.hashCode();
	}
}
